____ has been said before, it is not easy to learn a foreign language.

试卷相关题目

• 1They put forward a lot of plans at the meeting, none of _______ carried out in their work.

  A.which

  B.them

  C.what

  D.that

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• 2She often wears the same kind of skirt ______ her twin sister does.

  A.that

  B.which

  C.as

  D.what

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• 3The guests will be shown around a lot of places _____ few other visitors can go.

  A.what

  B.which

  C.where

  D.when

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• 4______ has recently been done to provide more buses for the people ,a shortage of public vehicles remains a serious problem .

  A.That

  B.What

  C.In spite of what

  D.Though what

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• 5The captain stood by the window, _____ he could see the top of the tower.

  A.where

  B.from which

  C.from where

  D.which

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• 6In his book,he explains both ______ it means to be a scientist and ______ science works.

  A.how; how

  B.what; that

  C.what; how

  D.how; that

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